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https://issues.apache.org/jira/browse/FLINK-15975?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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testfixer0 updated FLINK-15975:
-------------------------------
Attachment: FLINK-15975-000.patch
> Use LinkedHashMap for deterministic iterations
> ----------------------------------------------
>
> Key: FLINK-15975
> URL: https://issues.apache.org/jira/browse/FLINK-15975
> Project: Flink
> Issue Type: Improvement
> Components: Connectors / Hive
> Reporter: testfixer0
> Priority: Minor
> Attachments: FLINK-15975-000.patch
>
>
> The test `testMap` in `HiveGenericUDFTest` invokes two methods
> `HiveGenericUDFTest.init` and `HiveScalarFunction.eval`. These two methods
> depend on `getConversion` and `toFlinkObject` in class `HiveInspectors`. When
> the `inspector` is the instance of `MapObjectInspector`, it can return a
> `HashMap`. However, `HashMap` does not guarantee any specific order of
> entries. Thus, the test can fail due to a different iteration order.
> In this PR, we propose to use a `LinkedHashMap` instead to guarantee the
> iteration order.
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